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There are three types of lists: unordered lists, ordered lists, and description lists (a.k.a. definition lists or association lists).In the following sections, various list types are used for different examples, but other list types will generally give corresponding results.
Lists made with bullets are called bulleted lists. The HTML element name for a bulleted list is " unordered list ", because the list items are not arranged in numerical order (as they would be in a numbered list ).
An unordered (bulleted) list. The type of list item marker can be specified in an HTML attribute: < ul type = "foo" >; or in a CSS declaration: ul {list-style-type: foo;} – replacing foo with one of the following (the same values are used in HTML and CSS): disc (the default), square, or circle.
The HTML output of this is a trainwreck, especially for visually impaired users of screen-reader software, who are told, in series, that: an unordered list of one item has started; that list has ended; a description list with no term but one unassigned definition has started; that list ended; another unordered list of one item started, and ...
Use a bulleted (unordered) list by default, especially for long lists. Use a numbered (ordered) list only if there is a need to refer to items by number, the sequence of items is important, or the numbering exists in the real world (e.g., tracks on an album).
To list terms and definitions, start a new line with a semicolon (;) followed by the term. Then, type a colon (:) followed by a definition. The format can also be used for other purposes, such as make and models of vehicles, etc. Description lists (formerly definition lists, and a.k.a. association lists) consist of group names corresponding to ...
An HTML Application (HTA; file extension .hta) is a Microsoft Windows application that uses HTML and Dynamic HTML in a browser to provide the application's graphical interface. A regular HTML file is confined to the security model of the web browser's security , communicating only to web servers and manipulating only web page objects and site ...
A new list element type, the nl element type, was to be included to specifically designate a list as a navigation list. This would have been useful in creating nested menus, which are currently created by a wide variety of means like nested unordered lists or nested definition lists.